CN203756249U - Condensate energy dissipater of direct air-cooling unit - Google Patents

Condensate energy dissipater of direct air-cooling unit Download PDF

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Publication number
CN203756249U
CN203756249U CN201420174933.8U CN201420174933U CN203756249U CN 203756249 U CN203756249 U CN 203756249U CN 201420174933 U CN201420174933 U CN 201420174933U CN 203756249 U CN203756249 U CN 203756249U
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CN
China
Prior art keywords
condensate
cylinder
water
condensation
cooling unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420174933.8U
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Chinese (zh)
Inventor
李宁
张荣佩
吴立民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Hebei Electric Power Construction Adjustment Test Institute
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
Hebei Electric Power Construction Adjustment Test Institute
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Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd, Hebei Electric Power Construction Adjustment Test Institute filed Critical State Grid Corp of China SGCC
Priority to CN201420174933.8U priority Critical patent/CN203756249U/en
Application granted granted Critical
Publication of CN203756249U publication Critical patent/CN203756249U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a condensate energy dissipater of a direct air-cooling unit. The condensate energy dissipater comprises an energy dissipating cylinder; the upper opening of the cylinder is communicated with a previous upstream condensate pipeline, while the lower opening of the cylinder is communicated with a previous downstream condensate pipeline; a plurality of inclined guide plates capable of reducing the flow velocity of a vapor-water mixture are staggered with each other on the inner wall of the cylinder from top to bottom, and a plurality of holes are formed in the upper surfaces of the guide plates; a gas exchange channels are arranged in the cylinder at both sides; a condensate flow equalizing plate is arranged in the outlet position of the cylinder. The condensate energy dissipater is used for dissipating potential energy generated in the dropping process of the condensate step by step based on the flow guiding and throttling principle of the inclined-flow porous plates and by use of a plurality of stages of plates; air guide holes are provided so that the separated air can be exchanged upwards without forming air lock in the dropping process of the vapor-water mixture. The condensate energy dissipater is used for avoiding vibration and breakage of the pipeline due to a normally operating qualitative-difference pipeline vapor-water mixture, and therefore, the equipment or the system is enabled to operate reliably.

Description

Condensate of Direct Air-cooling Unit energy dissipator
Technical field
The utility model relates to the board-like direct empty unit cold condensate energy dissipator of a kind of oblique flow, for eliminating the mixed pipeline fluid potential energy of Condensate of Direct Air-cooling Unit decline pipeline or other large drop carbonated drink.
Background technique
Direct Air-cooled Unit is the newly-increased main force's unit in northern China water-deficient area in recent years, because it adopts the direct cooling turbine discharge of air cooling blower fan, unit air cooling system arranges that absolute altitude is at 40m-50m, the cooling rear formation water of condensation of turbine discharge, recycling decline pipeline is got back to the steam exhaust device of steam turbine zero-mark, and the decline pipeline perpendicular distance of the general above unit of 300MW is not less than 35m.This kind of situation makes water of condensation decline potential energy very important, according to the 30m discrepancy in elevation, calculate, the speed forming due to Action of Gravity Field in water of condensation decline process is up to 25m/s, water of condensation reaches elbow position and forms huge impulse force and make the continuous low-frequency vibration of pipeline, and frequent low-frequency vibration meeting causes pipeline to prop up crane system damage.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of Condensate of Direct Air-cooling Unit energy dissipator that can eliminate the pipeline vibration that large drop decline pipeline steam water interface causes due to potential energy.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of Condensate of Direct Air-cooling Unit energy dissipator, its key technology is: it comprises an energy dissipating cylinder, the original upstream line of suitable for reading and water of condensation of described cylinder is communicated with, and the end opening of described cylinder is communicated with the original downstream line of water of condensation;
Described cylinder inner wall is staggered is from top to bottom provided with a plurality of tilted-putted guide plates that can reduce steam water interface flow velocity, offers a plurality of holes above described guide plate;
In described cylinder, both sides are provided with gas changing channel, and this gas changing channel is enclosed and formed by the dividing plate arranging and inwall, on described dividing plate, offers through flow hole;
The exit position of described cylinder is provided with water of condensation homogenizing plate, and described water of condensation homogenizing plate is porous structure, successively decreases from inside to outside in the aperture in this hole.
Preferably, on described guide plate, the aperture in hole increases to home position gradually from guide plate outside.
Preferably, outwards successively decreased by home position in the aperture on described water of condensation homogenizing plate.
Preferably, the side that described guide plate contacts with cylinder interior is provided with the arc notch that can make air pass through, and the two ends up and down of described dividing plate are connected with guide plate.
Preferably, the whole opening diameter of described guide plate successively decreases from top to bottom.
The beneficial effect that adopts technique scheme to produce is:
1) the utility model adopts multistage oblique guide plate, and it can evenly reduce steam water interface flow velocity, and guide plate is porous structure, the aqueous dispersion of agglomerate can be become to less water droplet, reduces centralized release energy; Enough eliminate the potential energy of mixed fluid in the steam water interface decline process of large drop, reduce the impact force of fluid to pipeline;
2) multilevel deflector plate adopts different opening diameters, the bore size of each oblique flow plate is also different simultaneously, according to actual conditions, so more can effectively reduce steam water interface flow velocity, the potential energy that water of condensation produces in decline process is consumed step by step, until the pipeline that the flow velocity of device outlet reduces can bear;
3) be provided with dividing plate, make in steam water interface dropping process, the exchange that can make progress in time of separated air, does not form vent plug and causes water flow decline.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram that this guide plate is seen from top to bottom along cylinder;
Fig. 3 is the schematic diagram of this homogenizing plate;
Fig. 4 is mounting point of the present utility model schematic diagram;
Wherein, 1, water of condensation entrance; 2, guide plate; 3, gas changing channel; 4, water of condensation homogenizing plate; 5, water of condensation outlet; 6, the original downstream line of water of condensation; 7, cylinder; 8, the original upstream line of water of condensation; 9, dividing plate; 10, arc notch.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to accompanying drawing 1, the present embodiment comprises that an energy dissipating cylinder 7(also can be water of condensation usefulness device body), the original upstream line 8 of suitable for reading and water of condensation of described cylinder 7 is communicated with, and the end opening of described cylinder 7 is communicated with the original downstream line 6 of water of condensation, and this cylinder 7 also can adopt the device of other shapes.The exit position of described cylinder 7 is provided with water of condensation homogenizing plate 4, and described water of condensation homogenizing plate 4 is porous structure.Outwards successively decreased by home position in aperture on described water of condensation homogenizing plate 4.
Referring to accompanying drawing 2, described cylinder 7 inwalls are provided with a plurality of tilted-putted guide plates 2 that can reduce steam water interface flow velocity from top to bottom, guide plate 2 is upper and lower is crisscross arranged for this, left side one, one, right side top-bottom cross (take Fig. 2 as example), described guide plate 2 offers a plurality of holes above, this hole is square opening, and the hole of other shapes also can be set.On described guide plate 2, the aperture in hole increases to its central position gradually from guide plate outside.And guide plate 2 its whole opening diameters that arrange from the top down reduce from top to bottom gradually, the size in the hole on the guide plate 2 above being positioned at is larger than the bore size on the guide plate of below.According to unit form and on-the-spot descending water pipeline height difference, carry out this required plant bulk, oblique flow plate sum of series perforate design.
Referring to accompanying drawing 3, the interior both sides of described cylinder 7 are provided with gas changing channel 3, and this gas changing channel 3 is formed by the dividing plate 9 arranging, and on described dividing plate 9, offers the through flow hole that can make air pass through; The side that described guide plate 2 contacts with cylinder 7 inwalls is provided with the arc notch 10 that can make air pass through, the two ends up and down of described dividing plate 9 and guide plate 2 welding.
Referring to accompanying drawing 4, utilize compressor emergency shutdown between turn(a)round, the decline pipeline of excision corresponding length, this device of butt welding, replaces the original pipeline of part, supplements relevant suspension and support simultaneously.
The utility model has fully utilized water conservancy diversion, the Throttle Principle of oblique flow perforated baffle, and adopt multi-stage board structure, make every grade of oblique flow orifice throttle uniformity, the potential energy that water of condensation produces in decline process is consumed step by step, until the pipeline that the flow velocity of device outlet reduces can bear.The utility model possesses corresponding air guide holes simultaneously, makes in steam water interface dropping process, and the exchange that can make progress in time of separated air, does not form vent plug and cause water flow decline.The utility model is due to simple in structure, and device manufacturing schedule is short; On-the-spot installation only needs to utilize this device to replace original pipeline at specified position, easy for installation.
The utility model, can be in industrial production system extensive use for eliminating the pipeline vibration that large drop decline pipeline steam water interface causes due to potential energy.Adopt the utility model to solve pipeline vibration and the fracture that the large drop pipeline of normal operation steam water interface causes, make equipment or system reliable, stable.
The each start/stop machine expense of Direct Air-cooled Unit, up to units up to a million, adopts the utility model can eliminate pipeline vibration and the stoppage in transit of consequent system, improves greatly system operation reliability, has indirectly saved substantial contribution and energy consumption.In addition, at the larger steam water interface pipeline of other normal throws, this device is same to be used.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (5)

1. a Condensate of Direct Air-cooling Unit energy dissipator, it is characterized in that: it comprises an energy dissipating cylinder (7), the original upstream line of suitable for reading and water of condensation (8) of described cylinder (7) is communicated with, and the end opening of described cylinder (7) is communicated with the original downstream line of water of condensation (6);
Described cylinder (7) inwall is staggered is from top to bottom provided with a plurality of tilted-putted guide plates (2) that can reduce steam water interface flow velocity, and described guide plate (2) offers a plurality of holes above;
The interior both sides of described cylinder (7) are provided with gas changing channel (3), and this gas changing channel (3) is enclosed and formed by the dividing plate arranging (9) and cylinder inner wall, and described dividing plate offers through flow hole on (9);
The exit position of described cylinder (7) is provided with water of condensation homogenizing plate (4), and described water of condensation homogenizing plate (4) is porous structure.
2. Condensate of Direct Air-cooling Unit energy dissipator according to claim 1, is characterized in that: the aperture in the upper hole of described guide plate (2) increases to home position gradually from guide plate outside.
3. Condensate of Direct Air-cooling Unit energy dissipator according to claim 1, is characterized in that: outwards successively decreased by home position in the aperture on described water of condensation homogenizing plate (4).
4. Condensate of Direct Air-cooling Unit energy dissipator according to claim 1, it is characterized in that: described guide plate (2) is provided with the arc notch (10) that can make air pass through with a side of the interior arm contact of cylinder, and the two ends up and down of described dividing plate (9) are connected with guide plate (2).
5. according to the Condensate of Direct Air-cooling Unit energy dissipator described in claim 1-4 any one, it is characterized in that: the whole opening diameter of described guide plate (2) successively decreases from top to bottom.
CN201420174933.8U 2014-04-12 2014-04-12 Condensate energy dissipater of direct air-cooling unit Expired - Lifetime CN203756249U (en)

Priority Applications (1)

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CN201420174933.8U CN203756249U (en) 2014-04-12 2014-04-12 Condensate energy dissipater of direct air-cooling unit

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Application Number Priority Date Filing Date Title
CN201420174933.8U CN203756249U (en) 2014-04-12 2014-04-12 Condensate energy dissipater of direct air-cooling unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912322A (en) * 2014-04-12 2014-07-09 国家电网公司 Oblique-flow plate type direct air-cooling condensate water energy dissipating device
CN109277073A (en) * 2018-12-10 2019-01-29 安徽万山红环保科技有限公司 A kind of waste gas absorption tower filler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912322A (en) * 2014-04-12 2014-07-09 国家电网公司 Oblique-flow plate type direct air-cooling condensate water energy dissipating device
CN109277073A (en) * 2018-12-10 2019-01-29 安徽万山红环保科技有限公司 A kind of waste gas absorption tower filler

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140806

Effective date of abandoning: 20151028

C25 Abandonment of patent right or utility model to avoid double patenting